Patents by Inventor Daniel F. Bailey

Daniel F. Bailey has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Restoring lost circulation
    Patent number: 4014394
    Abstract: A magnesium oxide-bentonite slurry having a controlled gelation time and capable of gelling to a firm set gel is used to restore lost circulation during well drilling operations.
    Type: Grant
    Filed: May 19, 1975
    Date of Patent: March 29, 1977
    Assignee: Phillips Petroleum Company
    Inventor: Daniel F. Bailey